9119797888 has 64 divisors (see below), whose sum is σ = 18825615720. Its totient is φ = 4397137920.

The previous prime is 9119797879. The next prime is 9119797913. The reversal of 9119797888 is 8887979119.

It can be written as a sum of positive squares in 4 ways, for example, as 8551070784 + 568727104 = 92472^2 + 23848^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526648 + ... + 543688.

Almost surely, 2^9119797888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9119797888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9412807860).

9119797888 is an abundant number, since it is smaller than the sum of its proper divisors (9705817832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9119797888 is a wasteful number, since it uses less digits than its factorization.

9119797888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17205 (or 17193 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 67.

The square root of 9119797888 is about 95497.6328921298. The cubic root of 9119797888 is about 2089.2724196802.

The spelling of 9119797888 in words is "nine billion, one hundred nineteen million, seven hundred ninety-seven thousand, eight hundred eighty-eight".